Discharge help please!

Liz
I have been trying to find information online and I can't find any. I'm making an appointment tomorrow because I am really worrying.
I have been having a lot of discharge. No enough to drop but I'm makes my underwear very humid. It also has a blood smell to it. At my appointment 3 weeks ago I was free of infections and just two days ago I went in because I thought I had an UTI but it was clear.